/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/EdGraphSchema_Niagara.h
Called when asset(s) are dropped onto a graph background.
virtual void DroppedAssetsOnGraph ( const [TArray](API\Runtime\Core\Containers\TArray)< [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) > & Assets, const FVector2D & GraphPosition, [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * Graph ) const